{"id":268,"date":"2022-09-22T21:15:22","date_gmt":"2022-09-22T13:15:22","guid":{"rendered":"https:\/\/courtship.top\/?p=268"},"modified":"2022-09-22T21:15:22","modified_gmt":"2022-09-22T13:15:22","slug":"c-%e4%bd%bf%e7%94%a8%e8%ae%b2%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/courtship.top\/index.php\/2022\/09\/22\/c-%e4%bd%bf%e7%94%a8%e8%ae%b2%e8%a7%a3\/","title":{"rendered":"C# =>\u4f7f\u7528\u8bb2\u89e3"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">=&gt;\u4e3b\u8981\u6709\u4e24\u65b9\u9762\u7684\u4f5c\u7528\uff0c\u4e00\u4e2a\u9650\u5236\u5c5e\u6027\u72b6\u6001\uff0c\u53e6\u4e00\u4e2a\u7b80\u5316\u533f\u540d\u59d4\u6258\u548cLambda<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u9650\u5236\u5c5e\u6027\u72b6\u6001\uff08\u5b9a\u4e49\u53ea\u8bfb\u5c5e\u6027\uff09<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>public class ManPeople\n{\n      public string Sex => \"\u7537\";\n      public string Name { get; set; }\n}\npublic class WomanPeople\n{\n      public string Sex => \"\u5973\";\n      public string Name { get; set; }\n}<\/code><\/pre>\n\n\n\n<p><code>public string Sex =&gt; <\/code>\"\u7537\";<\/p>\n\n\n\n<p>\u8fd9\u91cc=&gt;\u7684\u7528\u6cd5\u76f8\u5f53\u4e8e&nbsp;<code>{ get; } =<\/code> \u5373\uff1a\u5c06Sex\u5b57\u6bb5\u8bbe\u7f6e\u4e3a\u4e86\u53ea\u8bfb\u5c5e\u6027\uff0c\u540c\u65f6\u8fdb\u884c\u4e86\u8d4b\u503c\u3002<\/p>\n\n\n\n<p><code>public&nbsp;string&nbsp;Sex&nbsp;{ get; &nbsp;} =&nbsp;<\/code>\"\u7537\"<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/courtship.top\/wp-content\/uploads\/2022\/09\/\u56fe\u7247-6.png\" alt=\"\" class=\"wp-image-271\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Lambda\u8868\u8fbe\u5f0f \u533f\u540d\u59d4\u6258<\/h3>\n\n\n\n<p>\u4f8b\u5982\u5b9a\u4e49\u4e00\u4e2a\u59d4\u6258\uff1a<br \/><strong>delegate int DeMethod(int a, int b);<\/strong><br \/>\u518d\u5b9a\u4e49\u4e00\u4e2a\u65b9\u6cd5\uff1a<br \/><code>int Add(int a, int b){ <\/code><code>return a + b;}<\/code><br \/>\u6211\u53ef\u80fd\u9700\u8981\u8fd9\u6837\u901a\u8fc7\u59d4\u6258\u8c03\u7528\u65b9\u6cd5\uff1a<br \/><code>DeMethod m += Add;<br \/>Console.WriteLine(m(2, 3));<\/code><\/p>\n\n\n\n<p><strong>\u91c7\u7528 C# 2.0 \u7684\u533f\u540d\u65b9\u6cd5\u8bed\u6cd5\uff1a<\/strong><br \/><code>DeMethod m += delegate(int a, int b) { return a + b; };<br \/>Console.WriteLine(m(2, 3));<\/code><\/p>\n\n\n\n<p><strong>\u91c7\u7528C#3.0 &nbsp;Lambda \u8868\u8fbe\u5f0f\uff1a<\/strong><br \/><code>DeMethod m += (a ,b) =&gt; a + b;<br \/>Console.WriteLine(m(2, 3));<\/code><br \/>\u53ef\u4ee5\u7701\u53bb\u65b9\u6cd5\u7684\u5b9a\u4e49\u3002<br \/>\u5b9e\u9645\u4e0a\uff0c Lambda \u8868\u8fbe\u5f0f\u53ea\u662f\u7b80\u5316\u4e86\u533f\u540d\u65b9\u6cd5\u7684\u8bed\u6cd5\u800c\u5df2\u3002<\/p>\n\n\n\n<p><strong>+=\u662f\u5728\u59d4\u6258\u94fe\u4e0a\u589e\u52a0\u4e00\u4e2a\u59d4\u6258\uff0c(s,e) =&gt;\u662f\u4e00\u4e2alambda\u8868\u8fbe\u5f0f\uff0c\u8fd9\u4e2a\u8868\u8fbe\u5f0f\u521b\u5efa\u4e00\u4e2a\u59d4\u6258\uff0c\u59d4\u6258\u5904\u7406\u7684\u4e3b\u4f53\u5c31\u662f=&gt; \u540e\u9762\u7684\u90e8\u5206\u3002<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>=&gt;\u4e3b\u8981\u6709\u4e24\u65b9\u9762\u7684\u4f5c\u7528\uff0c\u4e00\u4e2a\u9650\u5236\u5c5e\u6027\u72b6\u6001\uff0c\u53e6\u4e00\u4e2a\u7b80\u5316\u533f\u540d\u59d4\u6258\u548cLambda \u9650\u5236\u5c5e\u6027\u72b6\u6001\uff08\u5b9a\u4e49\u53ea\u8bfb\u5c5e\u6027\uff09 public st &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[21],"tags":[],"class_list":["post-268","post","type-post","status-publish","format-standard","hentry","category-c-unity"],"_links":{"self":[{"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/posts\/268","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/comments?post=268"}],"version-history":[{"count":0,"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/posts\/268\/revisions"}],"wp:attachment":[{"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/media?parent=268"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/categories?post=268"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/tags?post=268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}